Blue-Frost Healer

{2}, Pay 1 life: Draw a card, and prevent all damage that would be dealt to target creature you control this turn. Any player may activate this, but only on their turn and only once per turn.
Pay 1 life: Gain 2 life. Any player may activate this, but only on their turn and only once per turn.
Whenever a player pays 1 or more life put a +1/+1 counter on Blue-Frost Healer.